115498022509 has 2 divisors, whose sum is σ = 115498022510. Its totient is φ = 115498022508.

The previous prime is 115498022467. The next prime is 115498022513. The reversal of 115498022509 is 905220894511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115498022500 + 9 = 339850^2 + 3^2 .

It is a cyclic number.

It is not a de Polignac number, because 115498022509 - 2³³ = 106908087917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115498022009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57749011254 + 57749011255.

It is an arithmetic number, because the mean of its divisors is an integer number (57749011255).

Almost surely, 2^115498022509 is an apocalyptic number.

It is an amenable number.

115498022509 is a deficient number, since it is larger than the sum of its proper divisors (1).

115498022509 is an equidigital number, since it uses as much as digits as its factorization.

115498022509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 46.

The spelling of 115498022509 in words is "one hundred fifteen billion, four hundred ninety-eight million, twenty-two thousand, five hundred nine".